54211051 has 4 divisors (see below), whose sum is σ = 54486432. Its totient is φ = 53935672.

The previous prime is 54211049. The next prime is 54211081. The reversal of 54211051 is 15011245.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 54211051 - 2¹ = 54211049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54211021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 137395 + ... + 137788.

It is an arithmetic number, because the mean of its divisors is an integer number (13621608).

Almost surely, 2^54211051 is an apocalyptic number.

54211051 is a deficient number, since it is larger than the sum of its proper divisors (275381).

54211051 is a wasteful number, since it uses less digits than its factorization.

54211051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275380.

The product of its (nonzero) digits is 200, while the sum is 19.

The square root of 54211051 is about 7362.8154261804. The cubic root of 54211051 is about 378.4680963158.

Adding to 54211051 its reverse (15011245), we get a palindrome (69222296).

The spelling of 54211051 in words is "fifty-four million, two hundred eleven thousand, fifty-one".